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- 1. Multiple Choice
What are the functions of fins on a shark?
Movement, jet propulsion, absorbing oxygen.
Steering, changing direction.
Chemical digestion, nutrient absorption.
Brings prey to mouth, holds prey, detects movement.
- 2. Multiple Choice
What does the spleen on a shark do?
Moves waste away from the body, propels the body forward.
Produces/cleans red blood cells.
Protects the heart.
Produces bile, detoxifies the blood.
- 3. Multiple Choice
What are the characteristics of all cephalopods?
Bilateral symmtery
Highly-developed olfactory senses
Large jaws, sharp teeth
Color changing abilities
Thick skin
- 4. Multiple Choice
What thick layer of skin helps to protect the heart in a shark?
Spleen
Spiracle
Mantle
Pericardial cavity
- 5. Multiple Choice
What helps to hold prey in a shark?
Spleen
Suction cups
Tentacles
Arms
- 6. Multiple Choice
What does a shark use for movement?
Caudal fin
Pelvic fin
Pectoral fin
Dorsal fin
- 7. Multiple Choice
What does a shark use for steering/changing direction?
Caudal fin
Pelvic fin
Pectoral fin
Dorsal fin
- 8. Multiple Choice
What does a shark use for stabilization?
Caudal fin
Pelvic fin
Pectoral fin
Dorsal fin
- 9. Multiple Choice
What structure in a shark cleans red blood cells?
Spleen
Liver
Endolymphatic pores
Pancreas
- 10. Multiple Choice
What is the main function of the mantle?
To protect the organs
To protect the heart muscle
To protect the spleen
To protect the liver
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